Torchwood had branches across the Empire. (TV: Everything Changes, AUDIO: Golden Age) Through 2007, the leading branch was Torchwood One in London. (TV: Army of Ghosts) After the Battle of Canary Wharf, leadership moved to Torchwood Three in Cardiff, which already had a more ecumenical agenda of protecting the world since Captain Jack Harkness had taken over in 2000. (TV: Doomsday, The Sound of Drums, Everything Changes, Fragments)